.clear::after {
    display: block;
    content: '';
    clear: both;
}
.w {
    width: 1200px;
    margin: 0 auto;
}
.header{
    width: 100%;
    height: 80px;
    background-color: #FFFFFF;
}
.header .mask-nav {
    display: none;
}
.header .h .h-icon {
    display: none;
    width: 40px;
    height: 40px;
}
.header .h .h-icon .line {
    width: 20px;
    height: 2px;
    background-color: #000;
}
.h {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo{
    float: left;
    width: fit-content;
    height: 100%;
    text-align: center;
}
.header .logo img {
    display: block;
}
.header .logo img:nth-child(1){
    width: 177px;
}
.header .logo img:nth-child(2){
    width: 47px;
    padding: 7px 0 0 65px;
}
.header .nav{
    float: right;
    line-height: 80px;
}
.header .nav .nav-item{
    float: left;
    margin-right: 82px;
    
}
.nav a{
    color: #666666;
}
.nav .nav-item:hover a{
    color: #1d1d1d;
}
.nav .nav-item:hover .line{
    display: block;
    width: 80%;
    height: 2px;
    background-color: #b9ab77;
    margin: 0 auto;
    margin-top: -28px;

}

@media (max-width:768px) {
    .header .h{
        width: 100%;
    }
    .header .nav{
         display: none;
    }
    .header,
    .h {
        height: 80px;
        transition: .3s linear;
    }
    .header {
        position: fixed;
        top: 0;
        left: 0;
        z-index: 9;
    }
    .header.act,
    .h.act {
        height: 60px;
    }
    .header.act {
        box-shadow: 0 5px 8px #000;
    }
    .header .logo {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        margin-left: 15px;
    }
    .header .logo img:nth-child(1) {
        width: 89px;
    }
    .header .logo img:nth-child(2) {
        width: 24px;
        padding-left: 0;
    }
    .header .h .h-icon {
        display: flex;
        flex-direction: column;
        transition: .3s linear;
        margin-right: 30px;
    }
    .header .h .h-icon .line {
        margin: 5px auto 0;
    }
    .header .h .h-icon .line:nth-child(1) {
        margin-top: 13px;
    }
    .active .line:nth-child(1) {
        transform: translateY(7px);
    }
    .active .line:nth-child(2) {
        width: 0;
    }
    .active .line:nth-child(3) {
        transform: translateY(-7px) rotate(90deg);
    }
    .active {
        transform: rotate(45deg);
        transition-delay: .3s;
    }
    .active .line {
        transition: .3s linear;
    }
    .header .mask-nav {
        display: none;
        position: fixed;
        top: 60px;
        left: 0;
        height: 100vh;
        background-color: rgba(255,255,255,.9);
        /* background-color: #000; */
        width: 100%;
        z-index: 2;
        text-align: center;
    }
    .header .mask-nav li {
        padding: 25px;
    }
    .header .mask-nav li a {
        display: block;
        color: #000;
        width: 100%;
        height: 100%;
    }
    .header .mask-nav li:nth-child(1) {
        padding-top: 120px;
    }
    .header .mask-nav li.cur a{
        color: #b9ab77;
    }
    .about .w {
        text-align: center;
        width: 90%;
    }
    .about .about2,
    .about .about1 {
        float: none;
    }
    .about .about2 .us-item {
        margin-left: 0;
    }
    .about .p2 {
        margin: 5px 0;
    }
    .about .about2 .us {
        margin-top: 0;
        margin: 0 auto;
        width: fit-content;
    }
    .about .about1 {
        margin-top: 20px;
    }
}
.about{
    width: 100%;
    height: 100px;
    background-color: #FFFFFF;
}
 .about .about1{
     float: left;
     margin-top: 39px;
 }
 .about .p1{
    font-size: 12px;
	color: #323232;
 }
 .about .p2{
    font-size: 12px;
	color: #323232;
     margin-top: 12px;
 }
 .about .about2{
     float: right;
 }
 .about .about2 .us{
    margin-top: 45px;
 }
 .about .about2 .us-item{
     float: left ;
     font-size: 12px;
	color: #323232;
     margin-left: 64px;
 }
